1. Marine Wildlife Veterinary Care and Research Center, California Department of Fish and Wildlife–Office of Spill Prevention and Response, 1451 Shaffer Road, Santa Cruz, California 95060, USA
2. US Geological Survey, Western Ecological Health Center, Long Marine Laboratory, 100 Shaffer Road, Santa Cruz, California 95060, USA
3. Monterey Bay Aquarium, 886 Cannery Row, Monterey, California 93940, USA